Gestalt

Gestalt is based on the theory that shapes and lines can help form likeness of figures. It is commonly used in psychotherapy and understanding others. This is similar to the project we had just completed because although we had only one shape, the shape helps create a figure.

This image is similar to the ideas of gesalt because while the shapes are nothing more than simple shapes, it resembles 2 faces to some or a vase to others. It depends on how one uses the positive and negative space. Often used in psychoanalyzes, it shows how powerful images can be and minds can interpret things differently based on genetics and previous experiences.
(Picture from the Gestalt Association web page)